IB Biology HL D Continuity and Change Questions

Practise IB Biology HL D Continuity and Change through questions on genes, inheritance, evolution and biodiversity change, including the wider HL evidence set.

1,191 questions in this syllabus scope, with question parts counted together.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam analysis

HL · 2010–2025
Past-paper evidence in Continuity and Change repeatedly connects genetic mechanisms, cell division, inheritance, regulation and selection. The strongest pattern is explaining how information is maintained, altered and acted on across cells, organisms and populations.
Papers with this topic115 / 117in the analysed sample
Latest appearanceNovember 2025
Tagged question parts862
Paper types5

Most tested topics

  1. D3.2 Inheritance71 papers
  2. D3.3 Homeostasis65 papers
  3. D3.1 Reproduction63 papers
  4. D1.2 Protein synthesis62 papers
  5. D4.1 Natural selection57 papers

117 papers analysed · Tagging incomplete